<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<script type="text/javascript">
		var a = 10, b = 5;
		c = a + b;
		d = a - b;
		e = a * b;
		f = a / b;
		g = a % b;
		alert(c, d, e, f, g);
	</script>

</body>
</html>